Finding the Fourth Proportional to 7,071, 10,606.50 and 2,454
Calculator
Solution
The fourth proportional to 7,071, 10,606.50 and 2,454 is: 3,681
Step by Step Solution
- Step 1: Write the proportion equation
7,071 : 10,606.50 = 2,454 : x - Step 2: Convert to fraction form
7,071/10,606.50 = 2,454/x - Step 3: Cross multiply
7,071x = 10,606.50 × 2,454 - Step 4: Simplify right side
7,071x = 26,028,351 - Step 5: Solve for x
x = 26,028,351/7,071 - Step 6: Final answer
x = 3,681
Related Problems
Find fourth proportional to 3,535.50, 5,303.25 and 1,227
Half scale
Find fourth proportional to 14,142, 21,213 and 4,908
Double scale
Find fourth proportional to 7,072, 10,608 and 2,455
Similar ratio
Find fourth proportional to 10,606.50, 15,909.75 and 3,681
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.